ES-12 Hydrocarbon Refrigerant (Alfa)

[Piloto@xxxxxxx]

Has anybody had long-term success with the ES-12a HC freon replacement in a 
164 or GTV that they would like to report on?  Joe Elliott (and others) have 
reported in the past about converting to ES-12 but I have not seen any 
follow-up reports that I can remember, at least.  I am putting a new 
compressor in my 164 and don't want to pay for freon but don't like the 
reduced performance of 134a, so am very interested in knowing whether ES-12 
is a long-term solution.  Thanks in advance-

John Maclay
'64 2600 Spider (CA license plate 2600)
'91 164 L (CA license plate 164 L)
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